Cita APA (7a ed.)

Howard, R., Moore, A., & Brown, L. H. (1980). A complete checklist of the birds of the world. Oxford University Press.

Cita Chicago Style (17a ed.)

Howard, Richard, Alick Moore, y Leslie Hilton Brown. A Complete Checklist of the Birds of the World. Oxford [etc.]: Oxford University Press, 1980.

Cita MLA (9a ed.)

Howard, Richard, et al. A Complete Checklist of the Birds of the World. Oxford University Press, 1980.